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https://github.com/wine-mirror/wine
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widl: Compute uuids for parameterized types.
Signed-off-by: Rémi Bernon <rbernon@codeweavers.com> Signed-off-by: Jacek Caban <jacek@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
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@ -639,3 +639,136 @@ unsigned int lhash_val_of_name_sys( syskind_t skind, LCID lcid, LPCSTR lpStr)
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return nHiWord | nLoWord;
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}
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/* SHA1 algorithm
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*
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* Based on public domain SHA code by Steve Reid <steve@edmweb.com>
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* Copied and adapted from ntdll.A_SHAInit / ntdll.A_SHAUpdate / ntdll.A_SHAFinal
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*/
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#ifdef WORDS_BIGENDIAN
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#define DWORD2BE(x) (x)
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#else
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#define DWORD2BE(x) ((((x) >> 24) & 0xff) | (((x) >> 8) & 0xff00) | (((x) << 8) & 0xff0000) | (((x) << 24) & 0xff000000))
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#endif
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#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
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#define blk0(i) (block[i] = DWORD2BE(block[i]))
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#define blk1(i) (block[i&15] = rol(block[(i+13)&15]^block[(i+8)&15]^block[(i+2)&15]^block[i&15],1))
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#define f1(x,y,z) (z^(x&(y^z)))
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#define f2(x,y,z) (x^y^z)
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#define f3(x,y,z) ((x&y)|(z&(x|y)))
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#define f4(x,y,z) (x^y^z)
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/* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */
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#define R0(v,w,x,y,z,i) z+=f1(w,x,y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30);
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#define R1(v,w,x,y,z,i) z+=f1(w,x,y)+blk1(i)+0x5A827999+rol(v,5);w=rol(w,30);
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#define R2(v,w,x,y,z,i) z+=f2(w,x,y)+blk1(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30);
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#define R3(v,w,x,y,z,i) z+=f3(w,x,y)+blk1(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30);
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#define R4(v,w,x,y,z,i) z+=f4(w,x,y)+blk1(i)+0xCA62C1D6+rol(v,5);w=rol(w,30);
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/* Hash a single 512-bit block. This is the core of the algorithm. */
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static void sha1_transform(struct sha1_context *ctx)
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{
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DWORD a, b, c, d, e, *block = (DWORD *)ctx->buffer;
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/* Copy ctx->state[] to working variables */
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a = ctx->state[0];
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b = ctx->state[1];
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c = ctx->state[2];
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d = ctx->state[3];
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e = ctx->state[4];
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/* 4 rounds of 20 operations each. Loop unrolled. */
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R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3);
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R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7);
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R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11);
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R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15);
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R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
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R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23);
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R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27);
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R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31);
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R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35);
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R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39);
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R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43);
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R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47);
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R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51);
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R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55);
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R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59);
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R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63);
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R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67);
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R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71);
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R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75);
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R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79);
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/* Add the working variables back into ctx->state[] */
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ctx->state[0] += a;
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ctx->state[1] += b;
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ctx->state[2] += c;
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ctx->state[3] += d;
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ctx->state[4] += e;
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/* Wipe variables */
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a = b = c = d = e = 0;
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}
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void sha1_init(struct sha1_context *ctx)
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{
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/* SHA1 initialization constants */
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ctx->state[0] = 0x67452301;
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ctx->state[1] = 0xEFCDAB89;
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ctx->state[2] = 0x98BADCFE;
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ctx->state[3] = 0x10325476;
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ctx->state[4] = 0xC3D2E1F0;
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ctx->count[0] = 0;
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ctx->count[1] = 0;
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}
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void sha1_update(struct sha1_context *ctx, const char *data, size_t data_size)
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{
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size_t buffer_size;
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buffer_size = ctx->count[1] & 63;
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ctx->count[1] += data_size;
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if (ctx->count[1] < data_size) ctx->count[0]++;
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ctx->count[0] += (data_size >> 29);
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if (buffer_size + data_size < 64)
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memcpy(&ctx->buffer[buffer_size], data, data_size);
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else
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{
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while (buffer_size + data_size >= 64)
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{
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memcpy(ctx->buffer + buffer_size, data, 64 - buffer_size);
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data += 64 - buffer_size;
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data_size -= 64 - buffer_size;
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sha1_transform(ctx);
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buffer_size = 0;
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}
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memcpy(ctx->buffer + buffer_size, data, data_size);
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}
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}
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void sha1_finalize(struct sha1_context *ctx, DWORD result[5])
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{
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unsigned int *count, length_hi, length_lo, i;
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size_t pad_size, buffer_size;
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char pad[72];
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buffer_size = ctx->count[1] & 63;
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if (buffer_size >= 56) pad_size = 56 + 64 - buffer_size;
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else pad_size = 56 - buffer_size;
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length_hi = (ctx->count[0] << 3) | (ctx->count[1] >> (32 - 3));
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length_lo = (ctx->count[1] << 3);
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memset(pad + 1, 0, pad_size - 1);
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pad[0] = 0x80;
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count = (unsigned int*)(pad + pad_size);
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count[0] = DWORD2BE(length_hi);
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count[1] = DWORD2BE(length_lo);
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sha1_update(ctx, pad, pad_size + 8);
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for (i = 0; i < 5; i++) result[i] = DWORD2BE(ctx->state[i]);
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sha1_init(ctx);
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}
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@ -22,6 +22,19 @@
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#ifndef __WIDL_HASH_H
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#define __WIDL_HASH_H
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#include "windef.h"
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extern unsigned int lhash_val_of_name_sys( syskind_t skind, LCID lcid, LPCSTR lpStr);
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struct sha1_context
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{
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DWORD state[5];
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DWORD count[2];
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char buffer[64];
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};
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void sha1_init(struct sha1_context *ctx);
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void sha1_update(struct sha1_context *ctx, const char *data, size_t data_size);
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void sha1_finalize(struct sha1_context *ctx, DWORD hash[5]);
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#endif
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@ -45,13 +45,11 @@ struct _import_t
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};
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static str_list_t *append_str(str_list_t *list, char *str);
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static attr_list_t *append_attr(attr_list_t *list, attr_t *attr);
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static attr_list_t *append_attr_list(attr_list_t *new_list, attr_list_t *old_list);
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static decl_spec_t *make_decl_spec(type_t *type, decl_spec_t *left, decl_spec_t *right,
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enum storage_class stgclass, enum type_qualifier qual, enum function_specifier func_specifier);
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static attr_t *make_attr(enum attr_type type);
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static attr_t *make_attrv(enum attr_type type, unsigned int val);
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static attr_t *make_attrp(enum attr_type type, void *val);
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static attr_t *make_custom_attr(UUID *id, expr_t *pval);
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static expr_list_t *append_expr(expr_list_t *list, expr_t *expr);
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static var_t *declare_var(attr_list_t *attrs, decl_spec_t *decl_spec, declarator_t *decl, int top);
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return a;
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}
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static attr_t *make_attrp(enum attr_type type, void *val)
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attr_t *make_attrp(enum attr_type type, void *val)
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{
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attr_t *a = xmalloc(sizeof(attr_t));
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a->type = type;
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/* ATTR_WIREMARSHAL */ { 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "wire_marshal" },
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};
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static attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
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attr_list_t *append_attr(attr_list_t *list, attr_t *attr)
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{
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attr_t *attr_existing;
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if (!attr) return list;
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@ -29,6 +29,7 @@
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#include "parser.h"
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#include "typetree.h"
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#include "header.h"
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#include "hash.h"
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type_t *duptype(type_t *t, int dupname)
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{
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return new_type;
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}
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static void compute_interface_signature_uuid(type_t *iface)
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{
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static const char winrt_pinterface_namespace[] = {0x11,0xf4,0x7a,0xd5,0x7b,0x73,0x42,0xc0,0xab,0xae,0x87,0x8b,0x1e,0x16,0xad,0xee};
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static const int version = 5;
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struct sha1_context ctx;
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unsigned char hash[20];
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GUID *uuid;
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if (!(uuid = get_attrp(iface->attrs, ATTR_UUID)))
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{
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uuid = xmalloc(sizeof(GUID));
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iface->attrs = append_attr(iface->attrs, make_attrp(ATTR_UUID, uuid));
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}
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sha1_init(&ctx);
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sha1_update(&ctx, winrt_pinterface_namespace, sizeof(winrt_pinterface_namespace));
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sha1_update(&ctx, iface->signature, strlen(iface->signature));
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sha1_finalize(&ctx, (ULONG *)hash);
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/* https://tools.ietf.org/html/rfc4122:
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* Set the four most significant bits (bits 12 through 15) of the
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time_hi_and_version field to the appropriate 4-bit version number
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from Section 4.1.3.
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* Set the two most significant bits (bits 6 and 7) of the
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clock_seq_hi_and_reserved to zero and one, respectively.
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*/
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hash[6] = ((hash[6] & 0x0f) | (version << 4));
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hash[8] = ((hash[8] & 0x3f) | 0x80);
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uuid->Data1 = ((DWORD)hash[0] << 24)|((DWORD)hash[1] << 16)|((DWORD)hash[2] << 8)|(DWORD)hash[3];
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uuid->Data2 = ((WORD)hash[4] << 8)|(WORD)hash[5];
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uuid->Data3 = ((WORD)hash[6] << 8)|(WORD)hash[7];
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memcpy(&uuid->Data4, hash + 8, sizeof(*uuid) - offsetof(GUID, Data4));
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}
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type_t *type_parameterized_type_specialize_define(type_t *type)
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{
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type_t *tmpl = type->details.parameterized.type;
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iface->signature = format_parameterized_type_signature(type, repl);
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iface->defined = TRUE;
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}
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compute_interface_signature_uuid(iface);
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compute_method_indexes(iface);
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return iface;
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}
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typeref_t *make_typeref(type_t *type);
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typeref_list_t *append_typeref(typeref_list_t *list, typeref_t *ref);
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attr_t *make_attrp(enum attr_type type, void *val);
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attr_list_t *append_attr(attr_list_t *list, attr_t *attr);
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/* FIXME: shouldn't need to export this */
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type_t *duptype(type_t *t, int dupname);
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